Fortifw2.sys: How to Fix, Download, and Update

Last Updated: 11/26/2023
[Average Read Time: 4.5 minutes]

fortifw2.sys, also known as a FortiClient App firewall Driver file, was created by Fortinet for the development of Fortinet FortiClient. SYS files fall under under the Win64 EXE (Driver) file type category.

The first release in the Windows 10 Operating System for fortifw2.sys was on 08/08/2013 inside FortiClient 5.0.5. This is the most recent release date from Fortinet, according to our records.

Please continue reading to find your correct fortifw2.sys file version download (free), detailed file information, and SYS file troubleshooting instructions.

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File Overview


General Information
File Name: fortifw2.sys
File Extension: SYS file extension
Description: FortiClient App firewall Driver
Object File Type: Driver
File Operating System: Windows NT 32-bit
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: Fortinet Inc
Software Program: Fortinet FortiClient
Legal Copyright: 2016 Fortinet Inc. All rights reserved.
File Details
Character Set: Unicode
Language Code: English (U.S.)
File Flags: Private build
File Flags Mask: 0x003f
Entry Point: 0xa008
Code Size: 24064


What are fortifw2.sys Error Messages?


fortifw2.sys Blue Screen of Death (BSOD) Errors

There are a number of reasons why you could be encountering issues with fortifw2.sys. Most of the issues concerning sys files involve Blue Screen of Death (BSOD) errors. These types of fortifw2.sys errors can be cause by hardware problems, outdated firmware, corrupt drivers, or other software-related (eg. FortiClient update) issues. Some of these errors include:

A problem has been detected and Windows has been shut down to prevent damage to your computer. The problem seems to be caused by the following file: fortifw2.sys.

:( Your PC ran into a problem that it couldn't handle, and now needs to restart. You can search for the error online: [BSOD] (fortifw2.sys).

<strong>STOP 0x0000007E: SYSTEM THREAD EXCEPTION NOT HANDLED (fortifw2.sys)</strong><br /><strong>STOP 0x0000001E: KMODE EXCEPTION NOT HANDLED (fortifw2.sys)</strong><br /><strong>STOP 0x0000000A: IRQL NOT LESS EQUAL (fortifw2.sys)</strong><br /><strong>STOP 0x0000003B: SYSTEM SERVICE EXCEPTION (fortifw2.sys)</strong><br /><strong>STOP 0×0000007A: KERNEL DATA INPAGE (fortifw2.sys)</strong><br /><strong>STOP 0x00000050: PAGE FAULT IN A NONPAGED AREA (fortifw2.sys)</strong>

It's Critical to Resolve Blue Screen of Death Errors

In the majority of cases, you will encounter fortifw2.sys BSOD errors after you've installed new hardware, software (FortiClient), or performed a failed Windows Update. In other cases, software corruption caused by a malware infection can lead to fortifw2.sys Blue Screen of Death errors. Therefore, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.


GEEK TIP : As a rule of thumb, it's always a good idea to create a Windows "Snapshot" backup / System Restore Point before making any hardware or software changes to your computer. That way, it's very easy to restore your system in the unfortunate event you encounter a fortifw2.sys Blue Screen of Death error after recent changes.



How to Fix fortifw2.sys Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your fortifw2.sys issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the fortifw2.sys error, please proceed to the Step 2 below.

Step 2: If recently installed FortiClient (or related software), uninstall then try reinstalling FortiClient software.

You can uninstall FortiClient software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for FortiClient 5.0.5 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall FortiClient software.

If this Step 2 fails as well, please proceed to the Step 3 below.

FortiClient 5.0.5

Fortinet

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many fortifw2.sys error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the fortifw2.sys error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.



If Those Steps Fail: Download and Replace Your fortifw2.sys File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate fortifw2.sys file version. We maintain a comprehensive database of 100% malware-free fortifw2.sys files for every applicable version of FortiClient. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download fortifw2.sys Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate FortiClient folder location:
    Windows 10: C:\Windows\System32\drivers\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve fortifw2.sys problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.



Download fortifw2.sys Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying fortifw2.sys to your appropriate Windows system directory. Fortinet typically does not release FortiClient SYS files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing fortifw2.sys and all other SYS files for FortiClient. An incorrectly installed SYS file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10


Files Related to fortifw2.sys


SYS Files Related to fortifw2.sys

File Name Description Software Program (Version) File Size (bytes) File Location
fortiwf2.sys FortiClient Web Filter Driver Fortinet FortiClient (6.2.3.0912) 52560 C:\Windows\System32\ru-RU\
FortiAptFilter.sys FortiClient Apt Filter Driver Fortinet FortiClient (6.2.3.0912) 63312 C:\Windows\System32\fr-FR\
mdare64_62.sys Malware Detection and Removal Engine Driver FortiClient Malware Detection and Removal Engine Driver (2.0.62.0) 105344 C:\Windows\System32\it-IT\
fortiloader.sys FortiClient Fortiloader Driver Fortinet FortiClient (6.2.3.0912) 21840 C:\Windows\System32\sl-SI\
fortielam.sys FortiElam Fortinet FortiClient (6.2.0.0700) 20320 C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D5...

Other Files Related to fortifw2.sys

File Name Description Software Program (Version) File Size (bytes) File Location
api-ms-win-core-heap-l... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 11112 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
api-ms-win-core-sysinf... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.10586.15) 20360 C:\Program Files\Fortinet\FortiClient\
api-ms-win-core-sysinf... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.10586.15) 20360 C:\Program Files\Fortinet\FortiClient\x86\
diagwrn.xml Extensible Markup Language FortiClient 5.0.5 5718 C:\Windows\System32\Sysprep\Panther\
diagwrn.xml Extensible Markup Language FortiClient 5.0.5 44683 C:\Windows\Panther\UnattendGC\


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